With Kolo Toure picking up an injury of his own, Mikael Lustig shifts to centre-back to make room for Gamboa on the right.
The hosts, meanwhile, make two changes from the goalless draw against Frankfurt four days ago.
Thorgan Hazard has passed a fitness test to return to midfield after missing the game against Celtic last month in Glasgow.
Borussia Monchengladbach: Sommer, Vestergaard, Strobl, Kramer, Hazard, Stindl, Wendt, Johnson, Korb, Hahn, Elvedi
Subs: Sippel, Herrmann, Dahoud, Raffael, Schulz, Hofmann, Jantschke
Celtic: Gordon, Gamboa, Lustig, Sviatchenko, Izaguirre, Brown, Armstrong, Forrest, Rogic, Sinclair, Dembele
Subs: Bitton, Ciftci, Boyata, de Vries, Roberts, McGregor, Henderson
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